vector_sum()

void vector_sum	(	const POINT3D *	a,
		const POINT3D *	b,
		POINT3D *	n
	)

Calculate the sum of two vectors.

Definition at line 465 of file lwgeodetic.c.

{
        n->x = a->x + b->x;
        n->y = a->y + b->y;
        n->z = a->z + b->z;
        return;
}

References POINT3D::x, POINT3D::y, and POINT3D::z.

Referenced by circ_node_leaf_new(), edge_point_in_cone(), lwpoly_pt_outside_hack(), point_in_cone(), and unit_normal().

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